Hi, >>>cdrecord: fifo had 11671 puts and 11608 gets. >>>cdrecord: fifo was 0 times empty and 11400 times full, min fill was >>>85%.
>> I've stayed out of this 'cause I don't have any 800mb media, never >>tried/seen any. On another count, I prefer to use mkisofs to make the >>img, then write to cdr, so I've never encountered your missing '-' >>situation. I'm curious tho.... 85% is awful low. I've never >>experienced less than 95%, usually 98 to 100%. Have you tried burning >>to that media at 4x? I've also got some generic CMC Magnetics 700mb >>cdr's, $12 for a 50 spindle. I don't get good results with 'em over 4x >>tho. > yes, I'm burning here ar 8x, not particularly fast but faster than > mkisofs can really supply data without the risk of buffer underrun, and > so yes I need to reduce the burn rate , else supply a buffer , if such a > thing is possible when using a pipe, I don''t know. The lowerst point > was 85%, most of the time it's 98-100%, but if it drops any lower than > 80% experience tells be to reduce the burn rate or else. However I've > just spent the last 2 hours running the avi disc file through and there > does not seem to be any problems. Well, as long as the FIFO doesn't go empty I don't think you need to worry about anything. The CD-RW has a buffer of its own, so I assume if FIFO runs out of data there still is at least 2 megs of drive-internal buffer to be written and FIFO can get filled meanwhile. Anyways, you can always increase the FIFO using a switch, don't remember which one, though. (fifo=16 maybe?) >>Also, did you mean 80 minute cdr's, or 800MB? I've burned over >>800 mb's of wav's to a 700mb, 80 minute CD-r. My record is 79m57s ;) > As for size, these are indeed 80min discs , but if you turn them over in > very good light you can see where the lazer has been and I know that > 800mb is total max with my burner. I have to be careful here there is > some evidence to suggest not all burners can do it, I'm guessing , but I > believe some burners tracking is not quite as good as anothers, or else > the software that controls it is not up to the burners mark. whichever. > I first learnt of this when my teenage daughters kept giving me 800mb > audio discs to copy, and many burner software refused to allow a full > copy. But actually most 80min discs , and I've used all sorts of makes > and price brackets( price is no indicator of quality) will write up to > about 800mb, depending upon whether we are talking about continuous byte > streams or whether the job entails endless new files and folders., in > other words gaps come into the equation. To clear that up, there are 74 min / 650 MB (~681,000,000 Bytes) and 80 min / 700 MB (~734,000,000 Bytes) disks. You don't fit much more on them than their specified capacity, a few seconds / megs with overburning, however that's not recommended. Tom was talking about 800MBs of WAVs to a 700MB CD. That's because you burnt WAVs as an Audio CD. The Audio CD can store more Audio than Data because with data about one third of all the space is allocated to error correction, which isn't that important with Audio. You still burnt only ~80 mins of Audio, but that doesn't mean you burnt 800 MB. Megabytes refer to data capacity and minutes to Audio capacity so it's not correct to say I burnt 800 MB of Audio. Of course, there are disks which can hold up to 99 minutes of Audio, but they aren't that common. </smartypants> (I know, validation error, no opening tag found, insert where appropriate for you ;-) Greets Roman
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